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Last updated: April 2026
This is a binding legal agreement.
By accessing or using the FreeNatoCash website, protocol, smart contracts, or any associated services, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service and the Privacy Policy, which is incorporated herein by reference. If you do not agree, you must immediately cease all use.
The following defined terms apply throughout this Agreement:
By accessing or using the FreeNatoCash Protocol, frontend interface, smart contracts, or any associated Services (collectively, the "Protocol"), you agree to enter into this Terms of Service agreement and to be legally bound by its terms and conditions. Your continued use constitutes ongoing acceptance.
You further agree that the defined terms used in this Agreement, if defined in the Privacy Policy, shall have the meanings set forth therein. In the event that any of the Services are subject to additional terms or agreements, the provisions of the additional terms shall prevail in case of conflict.
FreeNatoCash is a non-custodial, open-admission privacy mixer protocol deployed on the Ethereum network and supporting multiple EVM-compatible chains. The Protocol uses zero-knowledge proofs (Groth16/Circom) to break the on-chain link between deposit and withdrawal addresses.
The Protocol comprises:
You must be at least 18 years of age (or the age of majority in your jurisdiction, whichever is higher) to use the Protocol. You must be legally capable of forming a binding contract. By accessing this platform, you represent and warrant that:
Specifically restricted jurisdictions include, without limitation: Belarus, Crimea, Cuba, Donetsk People's Republic of Ukraine, Iran, Iraq, Kherson region of Ukraine, Liberia, Libya, Luhansk People's Republic of Ukraine, Myanmar, North Korea, Russia, Sudan, Syria, Venezuela, Zaporizhzhia region of Ukraine, and any other jurisdiction subject to comprehensive OFAC sanctions.
You are solely responsible for ensuring your use complies with all applicable laws, regulations, and orders in your jurisdiction. The Protocol team makes no representation that the Protocol is appropriate or available for use in any particular jurisdiction. Access from restricted jurisdictions is unauthorized. The Team reserves the right to block wallet addresses identified by on-chain analytics providers as associated with sanctioned persons or illicit activity.
The Protocol is entirely non-custodial. At no point does the Team, any contributor, or any third party have access to, custody of, or control over your funds, private keys, deposit notes, or withdrawal credentials.
You are solely responsible for:
We do not guarantee that any transaction will be processed and confirmed, or that we can affect the transfer of title or right in any digital assets. All transactions are subject to blockchain network conditions and smart contract execution.
Important Risk Factors
Using the Protocol involves significant risks. You acknowledge and accept the following:
Using the Protocol may involve the following costs, which are your sole responsibility:
The Protocol does not charge a protocol-level fee on mixing operations at this time. This may change in the future through governance proposals. Any such changes will be announced and reflected in these Terms.
The Protocol is designed for legitimate financial privacy. You agree to use the Protocol only for lawful purposes and in accordance with these Terms. Acceptable uses include:
You shall not use the Protocol to:
Violation of these prohibitions may result in immediate termination of access and may be reported to relevant law enforcement authorities.
The Protocol integrates with or relies upon third-party services, including but not limited to:
These third-party services have their own terms of service and privacy policies. We do not control, endorse, or assume responsibility for the content, privacy practices, or security of these services. Your use of third-party services is at your own risk. We strongly recommend reviewing their respective terms and policies.
We may, in our sole discretion, change, suspend, discontinue, or terminate any aspect of the Services, including the availability of any feature, database, or content, at any time and without prior notice.
We may also impose limits on certain features and restrict your access to parts or all of the Services without notice or liability. However, the underlying smart contracts, once deployed on the blockchain, operate independently and cannot be unilaterally modified or shut down by the Team (subject to any administrative functions built into the contracts themselves).
You acknowledge that the Protocol is software running on decentralized infrastructure and is subject to outages, upgrades, and maintenance periods. We do not guarantee continuous, uninterrupted access.
THE PROTOCOL AND ALL ASSOCIATED SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT. THE TEAM MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE ACCURACY, COMPLETENESS, RELIABILITY, SUITABILITY, AVAILABILITY, OR TIMELINESS OF THE PROTOCOL, ITS CONTENT, OR THE RESULTS OBTAINED FROM USING THE PROTOCOL. YOUR USE OF THE PROTOCOL IS AT YOUR SOLE RISK.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL THE TEAM, CONTRIBUTORS, AFFILIATES, OR THEIR RESPECTIVE OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, OR LICENSORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF FUNDS, LOSS OF DATA, LOSS OF PROFITS, LOSS OF GOODWILL, BUSINESS INTERRUPTION, OR ANY OTHER INTANGIBLE LOSSES, ARISING OUT OF OR RELATING TO YOUR USE OF OR INABILITY TO USE THE PROTOCOL, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY, OR OTHERWISE) AND EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
IN ANY EVENT, THE TOTAL AGGREGATE LIABILITY OF THE TEAM FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE PROTOCOL SHALL NOT EXCEED ONE HUNDRED UNITED STATES DOLLARS (USD $100.00).
You agree to indemnify, defend, and hold harmless the Protocol developers, contributors, affiliates, and their respective officers, directors, employees, and agents from and against any and all claims, liabilities, damages, losses, costs, and expenses (including reasonable legal fees) arising out of or relating to: (a) your use of the Protocol; (b) your violation of these Terms; (c) your violation of any applicable law or regulation; (d) your violation of any rights of a third party; or (e) any content or data you submit or transmit through the Protocol. This indemnification obligation survives termination of these Terms and your cessation of use of the Protocol.
The Protocol's smart contracts are open source and subject to their respective license terms. The FreeNatoCash name, logo, brand elements, visual design system, and associated trademarks are the property of the project contributors and may not be used without express written permission.
The frontend interface code, documentation, and other non-contract materials are subject to their respective license terms as specified in the project repository. Nothing in these Terms grants you any right, title, or interest in the Team's intellectual property except as expressly stated.
Any dispute, claim, or controversy arising out of or relating to these Terms or the Protocol ("Dispute") shall first be attempted to be resolved through good-faith informal negotiation for a period of at least ninety (90) days from written notice of the Dispute.
If the Dispute cannot be resolved through negotiation, it shall be finally and exclusively resolved by binding arbitration administered under the AAA (American Arbitration Association) Commercial Arbitration Rules, or, for international disputes, the ICDR International Arbitration Rules. The arbitration shall be conducted on an individual basis (not as a class, consolidated, or representative action). The language of the arbitration shall be English. The arbitration may be conducted remotely to the extent permitted by the applicable rules. Judgment on the award rendered by the arbitrator(s) may be entered in any court having jurisdiction thereof.
You agree that any arbitration or legal proceeding shall be limited to the Dispute between you and the Team individually. To the fullest extent permitted by law, no arbitration shall be joined with any other proceeding, no class arbitration proceedings are permitted, and there is no right or authority for any Dispute to be arbitrated on a class-action basis or in a purported representative capacity.
In the event of mass arbitration filings (defined as 10 or more substantially similar Disputes filed within a 60-day period), the parties agree to a batched arbitration process where claims are grouped and resolved in sequential batches, with each batch proceeding under the applicable arbitration rules.
YOU AGREE THAT ANY CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE PROTOCOL SHALL BE BROUGHT IN YOUR INDIVIDUAL CAPACITY ONLY AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS, CONSOLIDATED, OR REPRESENTATIVE ACTION. YOU WAIVE ANY RIGHT TO PARTICIPATE IN A CLASS ACTION LAWSUIT OR CLASS-WIDE ARBITRATION AGAINST THE TEAM. IF THIS CLASS ACTION WAIVER IS FOUND UNENFORCEABLE, THEN THE ENTIRETY OF THE ARBITRATION PROVISION SHALL BE NULL AND VOID.
These Terms shall be governed by and construed in accordance with applicable international law principles. To the extent that any lawsuit or court proceeding is permitted hereunder, you agree to submit to the personal and exclusive jurisdiction of such courts. You waive any objection to jurisdiction, venue, or inconvenient forum.
The Team shall not be liable for any delay or failure to perform resulting from causes outside its reasonable control, including but not limited to: acts of God, natural disasters, war, terrorism, riots, embargoes, acts of governmental authorities, fire, floods, epidemics, pandemics, blockchain network congestion or failures, DDoS attacks, power outages, telecommunications failures, internet disruptions, third-party service outages, or any other force majeure event.
We reserve the right to modify, amend, or update these Terms at any time in our sole discretion. Material changes will be reflected in the "Last updated" date at the top of this document. It is your responsibility to review these Terms periodically. Your continued use of the Protocol after any modifications constitutes acceptance of the revised Terms. If you do not agree with the revised Terms, you must immediately cease all use of the Protocol.
If any provision of these Terms is held to be invalid, illegal, or unenforceable by a court of competent jurisdiction, such provision shall be modified to the minimum extent necessary to make it valid and enforceable, or if modification is not possible, shall be severed from these Terms. The remaining provisions shall continue in full force and effect.
These Terms, together with the Privacy Policy, Risk Disclosure, Platform Rules, and any additional terms applicable to specific Services, constitute the entire agreement between you and the Team regarding your use of the Protocol and supersede all prior and contemporaneous understandings, agreements, representations, and warranties, both written and oral, regarding the Protocol.
This Protocol is an educational and research project exploring zero-knowledge proof technology and privacy-preserving financial systems. It is NOT a financial service, money transmitter, virtual asset service provider (VASP), or regulated entity of any kind. The Protocol does not provide financial advice, investment recommendations, tax guidance, or any form of regulated financial services. All interactions currently occur on Ethereum Sepolia testnet using test tokens with no monetary value. Nothing in this Protocol constitutes a solicitation to buy, sell, or hold any digital assets.
Token disclaimer: Any governance or utility tokens associated with the Protocol are not investment contracts and do not represent equity, debt, or ownership interest in any entity. The Team makes no representation that any token will appreciate in value. Tokens may become worthless. The regulatory status of cryptographic tokens is unsettled and varies by jurisdiction. Users are solely responsible for determining their own tax obligations and regulatory compliance. This disclaimer does not constitute legal advice.
Tax responsibility: You are solely responsible for determining what, if any, taxes apply to your use of the Protocol, including income, capital gains, value-added, or other taxes. The Team does not withhold, collect, report, or remit any taxes on your behalf. You must handle all withholding, collecting, reporting, and remitting obligations arising from your use of the Protocol.
For questions or concerns regarding these Terms of Service, you may contact us at:
This document has been drafted with reference to industry standards for privacy-preserving DeFi protocols. External legal review by qualified counsel is recommended before mainnet deployment.